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Joel Reis

2 papers indexed

arxivcs.ROeess.SY2026-07-02

QuadRocket: An Aerial Robotic Testbed for Adaptive Thrust-Vector Control of Rocket-Like Vehicles

Pedro Santos, Joel Reis, Paulo Oliveira, Carlos Silvestre

This paper presents QuadRocket, a quadrotor-based rocket prototype that provides a low-cost, low-risk platform for validating advanced thrust-vector control strategies for launch vehicle-type systems. The prototype consists of a cylindrical main body mounted on top of a quadrotor…

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arxivmath.OCeess.SY2026-07-01

Geometric Reduced-Attitude Tracking Under a Time-Varying Conic Constraint via Smooth Reference-Shaping

Pedro Santos, Joel Reis, Paulo Oliveira, Carlos Silvestre

This letter studies reduced-attitude tracking for a rigid body on the 2-sphere S2 under a time-varying conic constraint. Using a kinematic model on S2, we first propose a geometric tracking law that guarantees almostglobal asymptotic and regionally exponential convergence in the…

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